Hello:
1. Click Federal taxes tab (Personal depending on version)
2. Wages & Income - Wages and Salaries - W-2 - Start /Revisit
3. On the screen, Here's your W-2 info, select Edit under the employer's name.
4. Select Foreign Address under Address Type and Canada under Country.
(follow link screenshot attached)
https://dqjghx1vau0u.cloudfront.net/uploads/assets/66148/original.PNG?1485751865